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Stellar reaction rate of Ni-55(p, gamma)Cu-56 in Type I X-ray bursts

文献类型:期刊论文

AuthorMa, Shao-Bo2,3; Zhang, Li-Yong1; Hu, Jun2,3
SourceNUCLEAR SCIENCE AND TECHNIQUES
Issued Date2019-09-01
Volume30Issue:9Pages:9
ISSN1001-8042
KeywordNuclear astrophysics Reaction rate X-ray burst
DOI10.1007/s41365-019-0663-6
Corresponding AuthorZhang, Li-Yong(liyongzhang@bnu.edu.cn)
English AbstractCu-56 is close to the waiting- point nucleus 56Ni and lies on the rapid proton capture (rp) process path in Type I X- ray bursts (XRBs). In this work, we obtained a revised thermonuclear reaction rate of 55Niop; cthorn 56 Cu in the temperature region relevant to XRBs. This rate was recalculated based on the recent experimental level structure in 56Cu, the recently measured proton separation energy of Sp = 579.8(7.1) keV, together with shell- model calculation, and the mirror nuclear structure in 56Co. The associated uncertainties in the rates were estimated by a Monte Carlo method. Our revised rate is significantly different from the recent results, which were partially based on experimental results; in addition, we found that a result in a previous work was incorrect. We recommend our revised rate to be incorporated in the future astrophysical network calculations.
WOS KeywordATOMIC MASS EVALUATION ; RP-PROCESS ; NUCLEOSYNTHESIS ; NUCLEI ; GRAPHS ; MODELS ; TABLES
Funding ProjectNational Natural Science Foundation of China[11825504] ; National Natural Science Foundation of China[11490562] ; National Natural Science Foundation of China[11675229] ; Major State Basic Research Development Program of China[2016YFA0400503]
WOS Research AreaNuclear Science & Technology ; Physics
Language英语
WOS IDWOS:000481433800002
PublisherSPRINGER SINGAPORE PTE LTD
Funding OrganizationNational Natural Science Foundation of China ; Major State Basic Research Development Program of China
源URL[http://119.78.100.186/handle/113462/132856]  
Collection中国科学院近代物理研究所
Corresponding AuthorZhang, Li-Yong
Affiliation1.Beijing Normal Univ, Coll Nucl Sci & Technol, Beijing 100875, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Gansu, Peoples R China
Recommended Citation
GB/T 7714
Ma, Shao-Bo,Zhang, Li-Yong,Hu, Jun. Stellar reaction rate of Ni-55(p, gamma)Cu-56 in Type I X-ray bursts[J]. NUCLEAR SCIENCE AND TECHNIQUES,2019,30(9):9.
APA Ma, Shao-Bo,Zhang, Li-Yong,&Hu, Jun.(2019).Stellar reaction rate of Ni-55(p, gamma)Cu-56 in Type I X-ray bursts.NUCLEAR SCIENCE AND TECHNIQUES,30(9),9.
MLA Ma, Shao-Bo,et al."Stellar reaction rate of Ni-55(p, gamma)Cu-56 in Type I X-ray bursts".NUCLEAR SCIENCE AND TECHNIQUES 30.9(2019):9.

入库方式: OAI收割

来源:近代物理研究所

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